Piga-piga

An piga-piga iyo an kalamnan kan tabay na manonoparan sa atubangan, o likudan. Siring sa boot sabihon kan saiyang ngaran, igwa siyang duwang parte, an saro kaan (an halabang payo) nagbibilog sa kabtang kan hamstrings

Piga-piga
Posterior view of right leg. Long head of muscle highlighted in red, short head (yellow) labeled in the lower part of the image
Mga detalye
Origin	tuberosity of the ischium, linea aspera, femur
Insertion	the head of the fibula which articulates with the back of the lateral tibial condyle
Artery	deep femoral artery, perforating arteries; long head of biceps femoris: perforating branches from profunda femoris artery
Nerve	long head: tibial nerve short head: common fibular nerve
Mga aksyon	flexes knee joint, laterally rotates knee joint (when knee is flexed), extends hip joint (long head only)
Antagonista	Quadriceps muscle
Identifiers
Latin	musculus biceps femoris
TA98	A04.7.02.032
TA2	2638
FMA	22356
Anatomikal na terminolohiya

Gibo

An duwang payo kan piga-piga perform knee flexion.

Nin huli ta an halabang payo naggikan sa pelvis ini imbwelto sa ekstensyon kan piad. An halabang payo kan piga-piga mas maluyang flexor kan tuhod kapag an piad nakaunat (nin huli sa aktibong insufficiency). Para sa kaagid na rason an halabang payo mas maluyang mag-unat kapag an tuhod naka-flex.

Kapag an tuhod naka-semi-flex, an piga-piga sa konsikwensiya kan saiyang oblique direction pig-iitok an tabay nin dikit paluwas.